Inside scaffolding for large metallic structures
CA 1067543 A · Owner: General Dynamics Corporation · Inventors: Decoppet, Jean-Pierre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Inside scaffolding for large metallic structures. Abstract of the Disclosure. The invention relates to a fabrication process of a metallic structure made of sheets welded one onto the other and enclosing an internal space. A scaffolding is erected in this internal space and comprises a vertical tower and sollapsible passageways extending radially from said tower. When the structure is substantially terminated the passageways are collapsed and the scaffolding is withdrawn from said space through an aperture provided at the upper part of the structure. - 1 -
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted December 4, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 4, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.